The Republican administrations of the 1920s A. aggressively furthered the interests of the business community

B. recognized the laborer's right to bargain collectively and to unionize

C. developed policies that helped farmers raise agricultural prices

D. insisted on the necessity of federal regulations to protect child labor

How does the supremacy clause of the u. s. constitution affect the states? o a. it requires each state to establish a supreme court. b. it declares that the federal government can take away state powers if necessary. o c. it allows state governments to overthrow the federal government if necessary. o d. it ensures that the u. s. constitution overrules each state constitution